图库函数集

1、从图库获取视频和图片，返回uri合集

点击查看代码

  private selectMedia(mediaType: string = "image"): Promise<string> {const photoSelectOptions = new photoAccessHelper.PhotoSelectOptions();if (mediaType === "video") {photoSelectOptions.MIMEType = photoAccessHelper.PhotoViewMIMETypes.VIDEO_TYPE; // 过滤选择媒体文件类型为IMAGE} else if (mediaType === "image") {photoSelectOptions.MIMEType = photoAccessHelper.PhotoViewMIMETypes.IMAGE_TYPE; // 过滤选择媒体文件类型为IMAGE}photoSelectOptions.maxSelectNumber = 1; // 选择媒体文件的最大数目let uris: Array<string> = [];const photoViewPicker = new photoAccessHelper.PhotoViewPicker();return photoViewPicker.select(photoSelectOptions).then((photoSelectResult: photoAccessHelper.PhotoSelectResult) => {uris = photoSelectResult.photoUris;let firstImage = uris.pop()let file = fileIo.openSync(firstImage, fileIo.OpenMode.READ_ONLY);let tempDir = this.context.getApplicationContext().tempDir;let fileName = file.name;let tmpFile = tempDir + '/' + fileName;fileIo.copyFileSync(file.fd, tmpFile)let finalUri = fileUri.getUriFromPath(tmpFile); // 获取到文件的urireturn finalUri})}